CN104420431B - Blowing device - Google Patents
Blowing device Download PDFInfo
- Publication number
- CN104420431B CN104420431B CN201310379686.5A CN201310379686A CN104420431B CN 104420431 B CN104420431 B CN 104420431B CN 201310379686 A CN201310379686 A CN 201310379686A CN 104420431 B CN104420431 B CN 104420431B
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- CN
- China
- Prior art keywords
- blower
- blowing device
- air outlet
- fan
- host shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0809—Loosening or dislodging by blowing ; Drying by means of gas streams
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H2001/0881—Details for pneumatically dislodging or removing not related to the mouth-piece
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of blowing device, it includes host shell, the motor being arranged in host shell, the fan rotated is driven by motor, control the switch that motor opens and closes, and the blower being connected with host shell, blower includes the air inlet near fan and the air outlet away from fan, and host shell includes the volute accommodating fan；Wherein, the area of air outlet is 1600～2000mm2, air outlet is 650mm～850mm with the air line distance at the center of volute.Blowing device disclosed by the invention has higher service efficiency.
Description
Technical field
The present invention relates to a kind of blowing device, particularly relate to a kind of blowing device including blower.
Background technology
Blowing device is a kind of outdoor burnisher, main by drying the grass cuttings on ground, branch
A pile blown out by the rubbish such as leaf, crotch, in order to carry out follow-up pulverizing, pack or other process.
Existing blowing device mostly includes host shell, motor, fan, switch and blower, its
In, blower is mostly that pipe or elliptical tube, pipe or elliptical tube are easier to die sinking molding, but
The service efficiency of existing blowing device is the most all difficult to improve.
In view of this, it is necessary to develop a kind of new blowing device, production is the most additionally being increased
Airflow effects can be improved on the premise of manufacturing cost, improve the use that blowing device is overall
Efficiency.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of blowing with higher service efficiency
Device.
The technical scheme is that a kind of blowing device, including host shell, be arranged at institute
State the motor in host shell, described motor drive the fan rotated, control described motor and open
The switch closed, and the blower being connected with described host shell, described blower includes close
The air inlet of described fan and the air outlet away from described fan, described host shell includes accommodating
The volute of fan；The area of described air outlet is 1600～2000mm2, described air outlet and institute
The air line distance at the center stating volute is 650mm～850mm.Preferably, described air outlet is
Elliptical shape.
Preferably, described elliptical shape air outlet includes major axis and short axle, described major axis and short axle
Ratio be 2:1～3:1.The elliptical shape air outlet under this proportion is used can more to enter one
The aspect of blowing efficiency improving blowing device of step.
Preferably, the area of described blower air inlet is more than the area of described air outlet.Air-flow
Suddenly diminishing at area when air outlet flows out, the air velocity that air outlet can be made to blow out is accelerated,
Improve aspect of blowing efficiency.
Preferably, the area of described blower air inlet is 2500～3300mm2。
Preferably, the described dismountable connection of blower air outlet has blow gun adnexa, described blow gun
The profile of adnexa adapts with described blower, and the sectional area of the free end of described blow gun adnexa is little
Area in blower air outlet.Blow gun adnexa is installed on blower, and blower can be made to have
Another goes out wind velocity, so that the application scenario of blowing device is the most extensive.
Preferably, described blower includes the first blower and the second blower；Described first blows
Airduct is dismountable with described second blower to be connected.Blower is divided into dismountable two
Point, can be that the packaging of blowing device saves space, also allow for the transport of blowing device.
Preferably, the number of blade of described fan is 9.
Preferably, a diameter of the 104～115mm of described fan.Use this specific fan,
Match with the air outlet of blowing device particular area scope of the present invention, it is possible to further improve
The service efficiency of blowing device.
Compared with prior art, blowing device provided by the present invention is by controlling blower air-out
The area of mouth, it is possible to increase the service efficiency of blowing device, meanwhile, by blowing in blowing device
Airduct air outlet area with optimum shape air outlet, and the cooperating of fan, it is possible to make
The service efficiency of blowing device reaches optimal.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structure chart of blowing device in the first embodiment；
Fig. 2 is the structure chart of blowing device blower in the first embodiment.
Wherein:
1, host shell 2, blower 3, volute
4, switch 5, handle 6, support
7, battery bag 21, air inlet 22, air outlet
23, first blower the 24, second blower 25, blow gun adnexa
Detailed description of the invention
The present invention comes out with a kind of blowing device, shown in reference Fig. 1, and the first embodiment
As the preferred embodiment of the present invention, blowing device includes host shell 1, is arranged at main frame
Motor (not shown) in housing, is driven the fan (not shown) rotated by motor,
The switch 4 that control motor opens and closes, and the blower 2 being connected with host shell 1, wherein,
Host shell 1 includes the volute 3 accommodating fan (not shown), and switch 4 is arranged at hands
On handle 5, blower 2 is dismountable to be connected on host shell 1, it addition, this embodiment party
In formula, blowing device also includes the battery bag 7 providing power for motor, and supports blowing dress
Put and blowing device can be allowed to shelve convenient support 6, being blowing device by battery bag 7
The energy is provided, makes that blowing device is more environmentally-friendly, easily facilitate use.
In the blowing device of the first embodiment, with reference to shown in Fig. 2, blower 2 includes
First blower 23 and the second blower 24, the first blower 23 and the second blower 24 can
Being connected of dismounting；First blower 23 includes that be connected with the second blower first is connected
End and the air inlet 21 away from the second blower；Second blower 24 includes and the first blower
23 the second connection end and the air outlets 22 away from the first blower 23 being connected；Wherein, go out
The area in air port 22 is 1600～2000mm2, between the center of air outlet 22 and volute 3
Air line distance (with reference in Fig. 1 shown in distance L) is 650mm～850mm, concrete, goes out
Air line distance between the center of air port 22 and volute 3 is 750mm.Making of this blowing device
Being significantly improved by efficiency, the raising of service efficiency can be obtained effectively by relevant test data
Proof.
Concrete testing scheme is: be divided into 1.5m width with plank, the concrete floor passage of 10m length,
Fresh leaves it is paved with, from same direction, by the fresh leaves in passage along its length in passage
Blow clean；Area value (m especially by blowing device blown fresh leaves per minute2/ min)
Weigh the service efficiency of blowing device.
In contrast embodiment, blowing device includes host shell equally, is arranged at host shell
Interior motor, is driven the fan rotated by motor, accommodates the volute of fan, controls motor keying
Switch, and the blower being connected with host shell, concrete, blower also with the present invention
Described in the first embodiment identical, including the first blower and the second blower, air outlet
And the air line distance between the center of volute is similarly 750mm, difference is, blowing dress
The air outlet area put is respectively 585mm2、765mm2、860mm2、1110mm2With
1300mm2。
Table 1 lists blowing device and the first enforcement of the present invention of contrast embodiment respectively
Mode blowing device service efficiency test data, as can be seen from the table, the present invention the first
The blowing device service efficiency of embodiment is substantially higher blowing device in contrast embodiment
Service efficiency.
Table 1
In the blowing device of the first embodiment, it is furthermore preferred that air outlet 22 is oval
Shape, the major axis of elliptical shape is 2:1～3:1 with the ratio of short axle, it is further preferred that ellipse
The major axis of toroidal is 2.5:1 with the ratio of short axle；The area of air inlet 21 is more than air outlet 22
Area, be 2500～3300mm2, it is further preferred that air-admitting surface is 2500mm2。
It addition, the number of blade of fan used by blowing device is 9, fan blade a diameter of
104～115mm, it is further preferred that a diameter of the 107 of fan blade～109mm；By setting
Put the air outlet of special requirement, and match with the fan of special requirement, it is possible to make blowing device
Service efficiency reach optimal.
Further preferred by air outlet shape, it is possible to make the service efficiency of blowing device obtain
Improving further, again may be by relevant test data is effectively proved, testing scheme
With described previously.
Table 2
| Long axial length (mm) | 56 | 80 | 116 |
| Short axial length (mm) | 45.5 | 32 | 22 |
| Axial ratio | 1.2 | 2.5 | 5.3 |
| Service efficiency (m2/ min) | 5.62 | 6.22 | 5.62 |
Table 2 is similarly 2000mm for air outlet area2, air outlet shape is similarly oval
Shape, the air line distance between the center of air outlet 22 and volute 3 is similarly 750mm, but
The service efficiency of three kinds of blowing devices that air outlet elliptical shape major axis is different from short axis scale is surveyed
Examination Data Comparison, as can be seen from the table, when major axis is 2.5 with short axis scale, blowing dress
The service efficiency put, apparently higher than the blowing device that major axis and short axis scale are 1.2 and 5.3, is said
Bright further preferred for air outlet elliptical shape, it is possible to improve making of blowing device further
Use efficiency.
In the second embodiment of the present invention, blowing device includes host shell, is arranged at master
Motor in casing body, is driven the fan rotated by motor, controls the switch that motor opens and closes, with
And the blower being connected with host shell, host shell includes the volute accommodating fan.Wherein,
Being with the difference of the first embodiment, blowing device also includes blow gun adnexa, blow gun
Adnexa is dismountable with blower to be connected.With reference to shown in Fig. 2, blower 2 includes the first blowing
Pipe 23 and the second blower 24, the first blower 23 and the second dismountable phase of blower 24
Connection；First blower 23 include be connected with the second blower first be connected end and away from
The air inlet 21 of the second blower；Second blower 24 includes being connected with the first blower 23
The second connection end with away from the first blower 23 air outlet that is connected with blow gun adnexa 25
22；Blow gun adnexa 25 include the be connected with the second blower 24 the 3rd be connected end and away from
The free end of the second blower 24.
In the third embodiment of the present invention, blowing device includes host shell, is arranged at master
Motor in casing body, is driven the fan rotated by motor, controls the switch that motor opens and closes, with
And the blower being connected with host shell, host shell includes the volute accommodating fan.Wherein,
Be with the difference of the first embodiment, blower be one non-dismountable be first to blow
Airduct and the entirety of the second blower, blower includes that the air inlet of close described fan is with remote
Air outlet from described fan.
In the 4th kind of embodiment of the present invention, blowing device includes host shell, is arranged at master
Motor in casing body, is driven the fan rotated by motor, controls the switch that motor opens and closes, with
And the blower being connected with host shell, host shell includes the volute accommodating fan.Wherein,
Being with the difference of the third embodiment, blowing device also includes blow gun adnexa, blow gun
Adnexa is dismountable with blower to be connected.
Although technical scheme has been done elaboration in greater detail and has enumerated by inventor,
Should be appreciated that to those skilled in the art, above-mentioned embodiment is modified and/
Or the replacement scheme of accommodation or employing equivalent is obvious, spirit of the present invention all can not be departed from
Essence, the term occurred in the present invention is used for the elaboration to technical solution of the present invention and understanding, and
Can not be construed as limiting the invention.
Claims (7)
1. a blowing device, including host shell, is arranged at the motor in described host shell, by
Described motor drives the fan rotated, and controls the switch that described motor opens and closes, and with described
Host shell be connected blower, described blower include near described fan air inlet and
Away from the air outlet of described fan, described host shell includes the volute accommodating fan；It is special
Levy and be: the area of described air outlet is 1600～2000mm2, described air outlet is with described
The air line distance at the center of volute is 650mm～850mm, and described air outlet is elliptical shape,
Described elliptical shape air outlet includes that major axis and short axle, described major axis with the ratio of short axle are
2:1～3:1.
2. blowing device as described in claim 1, it is characterised in that: described blower air inlet
Area more than the area of described air outlet.
3. blowing device as described in claim 1, it is characterised in that: described blower air inlet
Area be 2500～3300mm2。
4. blowing device as described in claim 1, it is characterised in that: described blower air outlet
Dismountable connection has blow gun adnexa, the profile of described blow gun adnexa to fit mutually with described blower
Should, the sectional area of the free end of described blow gun adnexa is less than the area of blower air outlet.
5. blowing device as claimed in claim 1, it is characterised in that: described blower includes first
Blower and the second blower；Described first blower is dismountable with described second blower
It is connected.
6. blowing device as described in claim 1, it is characterised in that: the number of blade of described fan
It it is 9.
7. as described in claim 1 blowing device, it is characterised in that: described fan a diameter of
104～115mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379686.5A CN104420431B (en) | 2013-08-28 | 2013-08-28 | Blowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379686.5A CN104420431B (en) | 2013-08-28 | 2013-08-28 | Blowing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104420431A CN104420431A (en) | 2015-03-18 |
| CN104420431B true CN104420431B (en) | 2016-08-10 |
Family
ID=52970494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310379686.5A Active CN104420431B (en) | 2013-08-28 | 2013-08-28 | Blowing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104420431B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205134254U (en) * | 2015-09-18 | 2016-04-06 | 苏州宝时得电动工具有限公司 | Blowing device |
| CN105603924A (en) * | 2016-03-11 | 2016-05-25 | 宁波爱乐吉电动工具股份有限公司 | Blowing-sucking machine |
| CN108797480A (en) * | 2017-04-26 | 2018-11-13 | 苏州宝时得电动工具有限公司 | A kind of hair-dryer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644606A (en) * | 1985-04-08 | 1987-02-24 | Mcculloch Corporation | Lawn/garden blower/vacuum |
| US6059541A (en) * | 1998-03-10 | 2000-05-09 | The Toro Company | Air inlet cover for portable blower/vacuum |
| JP4590167B2 (en) * | 2003-06-05 | 2010-12-01 | セイコー化工機株式会社 | Centrifugal blower |
| JP2010084393A (en) * | 2008-09-30 | 2010-04-15 | Husqvarna Zenoah Co Ltd | Air duct of blower and the blower |
| US8470064B2 (en) * | 2010-04-12 | 2013-06-25 | Leseman Davis, Llc | Device, method, and system to separate liquid and particulate matter from the air stream of a centrifugal fan |
| CN102889240B (en) * | 2011-07-22 | 2015-11-18 | 重庆圣锦汽车配件有限公司 | Inner turbine housing of fan |
| CN102966065B (en) * | 2012-12-07 | 2014-12-10 | 中联重科股份有限公司 | Blowing nozzle for blowing snow and snow snowing vehicle |
-
2013
- 2013-08-28 CN CN201310379686.5A patent/CN104420431B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104420431A (en) | 2015-03-18 |
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